private ulong?GetHash()
{
if (ReferenceData is null)
{
return(null);
}
var format = Reference.Format.IsCompressed() ? SurfaceFormat.Color : Reference.Format;
int rawStride = format.SizeBytes(Reference.Width);
int rawOffset = (rawStride * Bounds.Top) + format.SizeBytes(Bounds.Left);
bool blendEnabled = BlendState.AlphaSourceBlend != Blend.One;
bool isWater = TextureType == TextureType.Sprite && SpriteOverrides.IsWater(Bounds, Reference);
bool isFont = !isWater && TextureType == TextureType.Sprite && SpriteOverrides.IsFont(Reference, Bounds.Extent, Reference.Extent());
var dataHash = GetDataHash(ReferenceData, Reference, Bounds, rawOffset, rawStride);
if (dataHash is null)
{
return(null);
}
var result = HashUtility.Combine(
dataHash,
Bounds.Extent.GetLongHashCode(),
blendEnabled.GetLongHashCode(),
ExpectedScale.GetLongHashCode(),
isWater.GetLongHashCode(),
isFont.GetLongHashCode(),
Reference.Format.GetLongHashCode(),
Scaler.GetLongHashCode(),
ScalerGradient.GetLongHashCode()
);
return(result);
}
internal static ulong GetHash(SpriteInfo input, TextureType textureType)
{
// Need to make Hashing.CombineHash work better.
var hash = input.Hash;
if (Config.Resample.EnableDynamicScale)
{
hash = HashUtility.Combine(hash, HashUtility.Rehash(input.ExpectedScale));
}
if (textureType == TextureType.Sprite)
{
hash = HashUtility.Combine(hash, input.Bounds.Extent.GetLongHashCode());
}
return(hash);
}
private static ulong HashClass(Type type)
{
ulong hash = default;
foreach (var field in type.GetFields(StaticFlags))
{
hash = HashUtility.Combine(hash, field.GetValue(null).GetLongHashCode());
}
foreach (var child in type.GetNestedTypes(StaticFlags))
{
hash = HashUtility.Combine(hash, HashClass(child));
}
return(hash);
}
internal static ulong From(int hashCode) => HashUtility.Combine((ulong)hashCode, (ulong)(~hashCode) << 32);